require('../class1')
console.log('当前文件名：',__filename);
console.log('当前目录名：',__dirname);
// 全局对象-global
console.log(111,time)
console.log(222,global.time)
// 全局对象-process
process.on('exit', (code) => {
  setTimeout(() => {
    console.log(777);
	}, 0);
  console.log(`finished, code: ${code}`);
})
console.log('finished');
// 全局对象-console

// 全局函数-定时器函数
let timer = setTimeout(() => {
  console.log('I am setTimeout');
}, 100);
console.log(111, timer);
clearTimeout(timer);
console.log(222, timer);
// 全局函数- require高级版的<script>标签
